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公开(公告)号：US2316138A
公开(公告)日：1943-04-06
申请号：US45035142
申请日：1942-07-09
Applicant: R H LAIRD MFG COMPANY INC
Inventor： IRVING WEXLER
IPC: A45D40/20
CPC classification number: A45D40/20 , A45D2040/201
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